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[image: 1752040432687-fd1800e2-b760-45a7-9b1f-d70dae92e984-image.png]
---- Minecraft Network Protocol Error Report ----
// I'm sorry, I don't speak that language
Time: 2025-07-09 12:46:47
Description: Packet handling error
java.lang.RuntimeException: Mixin transformation of net.minecraft.class_743 failed
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:427)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218)
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
at knot//net.minecraft.class_8674.method_52794(class_8674.java:119)
at knot//net.minecraft.class_8733.method_53041(class_8733.java:22)
at knot//net.minecraft.class_8733.method_11054(class_8733.java:8)
at knot//net.minecraft.class_2600.method_11072(class_2600.java:27)
at knot//net.minecraft.class_1255.method_18859(class_1255.java:162)
at knot//net.minecraft.class_4093.method_18859(class_4093.java:23)
at knot//net.minecraft.class_1255.method_16075(class_1255.java:136)
at knot//net.minecraft.class_1255.method_5383(class_1255.java:121)
at knot//net.minecraft.class_310.method_1523(class_310.java:1240)
at knot//net.minecraft.class_310.method_1514(class_310.java:882)
at knot//net.minecraft.client.main.Main.main(Main.java:256)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:422)
... 18 more
Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector jumpKeyIsPressed(Lnet/minecraft/class_304;)Z in maceattackassistance.mixins.json:MixinKeyboardInput from mod maceattackassistance failed injection check, (0/1) succeeded. Scanned 0 target(s). Using refmap MaceAttackAssistance-fabric-1.21.1-refmap.json
at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.postInject(InjectionInfo.java:531)
at org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyInjections(MixinTargetContext.java:1490)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyInjections(MixinApplicatorStandard.java:752)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:330)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:246)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
... 21 more
A detailed walkthrough of the error, its code path and all known details is as follows:
-- Head --
Thread: Render thread
Stacktrace:
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:427)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218)
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
-- Incoming Packet --
Details:
Type: clientbound/minecraft:finish_configuration
Is Terminal: true
Is Skippable: false
Stacktrace:
at knot//net.minecraft.class_2600.method_59803(class_2600.java:56)
at knot//net.minecraft.class_8673.method_60882(class_8673.java:136)
at knot//net.minecraft.class_8673.method_59807(class_8673.java:113)
at knot//net.minecraft.class_2600.method_11072(class_2600.java:32)
at knot//net.minecraft.class_1255.method_18859(class_1255.java:162)
at knot//net.minecraft.class_4093.method_18859(class_4093.java:23)
at knot//net.minecraft.class_1255.method_16075(class_1255.java:136)
at knot//net.minecraft.class_1255.method_5383(class_1255.java:121)
at knot//net.minecraft.class_310.method_1523(class_310.java:1240)
at knot//net.minecraft.class_310.method_1514(class_310.java:882)
at knot//net.minecraft.client.main.Main.main(Main.java:256)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
-- Connection --
Details:
Protocol: configuration
Flow: CLIENTBOUND
Server type: <none>
Server brand: fabric
-- System Details --
Details:
Minecraft Version: 1.21.1
Minecraft Version ID: 1.21.1
Operating System: Windows 11 (amd64) version 10.0
Java Version: 21.0.7, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 1006562880 bytes (959 MiB) / 1677721600 bytes (1600 MiB) up to 5905580032 bytes (5632 MiB)
CPUs: 8
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i3-10105F CPU @ 3.70GHz
Identifier: Intel64 Family 6 Model 165 Stepping 3
Microarchitecture: Comet Lake
Frequency (GHz): 3.70
Number of physical packages: 1
Number of physical CPUs: 4
Number of logical CPUs: 8
Graphics card #0 name: NVIDIA GeForce GTX 1660 SUPER
Graphics card #0 vendor: NVIDIA
Graphics card #0 VRAM (MiB): 6144.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 32.0.15.7283
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 2.40
Memory slot #0 type: DDR4
Memory slot #1 capacity (MiB): 8192.00
Memory slot #1 clockSpeed (GHz): 2.40
Memory slot #1 type: DDR4
Virtual memory max (MiB): 23971.02
Virtual memory used (MiB): 19402.87
Swap memory total (MiB): 7680.00
Swap memory used (MiB): 187.30
Space in storage for jna.tmpdir (MiB): available: 10961.13, total: 228287.00
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 10961.13, total: 228287.00
Space in storage for io.netty.native.workdir (MiB): available: 10961.13, total: 228287.00
Space in storage for java.io.tmpdir (MiB): available: 10961.13, total: 228287.00
Space in storage for workdir (MiB): available: 10961.13, total: 228287.00
JVM Flags: 9 total; -Xmx5632M -XX:MetaspaceSize=256M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
Fabric Mods:
appleskin: AppleSkin 3.0.5+mc1.21
aurorafastcrystal: Aurora Crystal 1.0
badoptimizations: BadOptimizations 2.2.2
bettershields: BetterShields 1.3.0+mc1.21
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.47+0af3f5a790
centered-crosshair: Centered Crosshair 1.0.8
citresewn: CIT Resewn 1.2.2+1.21
citresewn-defaults: CIT Resewn: Defaults 1.2.2+1.21
cloth-config: Cloth Config v15 15.0.140
cloth-basic-math: cloth-basic-math 0.6.1
continuity: Continuity 3.0.0+1.21
dungeon_finder: Dungeon Finder 1.0+build.6
dynamic_fps: Dynamic FPS 3.7.4
net_lostluma_battery: battery 1.2.0
enhancedblockentities: Enhanced Block Entities 0.10.2+1.21
entityculling: EntityCulling 1.7.0
fabric-api: Fabric API 0.115.0+1.21.1
fabric-api-base: Fabric API Base 0.4.42+6573ed8c19
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.70+b559734419
fabric-biome-api-v1: Fabric Biome API (v1) 13.0.31+d527f9fd19
fabric-block-api-v1: Fabric Block API (v1) 1.0.22+0af3f5a719
fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.10+6573ed8c19
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.52+0af3f5a719
fabric-client-tags-api-v1: Fabric Client Tags 1.1.15+6573ed8c19
fabric-command-api-v1: Fabric Command API (v1) 1.2.49+f71b366f19
fabric-command-api-v2: Fabric Command API (v2) 2.2.28+6ced4dd919
fabric-commands-v0: Fabric Commands (v0) 0.2.66+df3654b319
fabric-content-registries-v0: Fabric Content Registries (v0) 8.0.18+b559734419
fabric-convention-tags-v1: Fabric Convention Tags 2.1.2+7f945d5b19
fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.9.2+e60e56d419
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.2.29+0af3f5a719
fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.4.1+9ed317f519
fabric-data-generation-api-v1: Fabric Data Generation API (v1) 20.2.25+16c4ae2519
fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.0+6fc22b9919
fabric-entity-events-v1: Fabric Entity Events (v1) 1.7.0+2122d82819
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.7.13+ba9dae0619
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.53+6ced4dd919
fabric-item-api-v1: Fabric Item API (v1) 11.1.1+d5debaed19
fabric-item-group-api-v1: Fabric Item Group API (v1) 4.1.6+6823f7cd19
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.45+df3654b319
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.5.0+01d9a51c19
fabric-loot-api-v2: Fabric Loot API (v2) 3.0.15+3f89f5a519
fabric-loot-api-v3: Fabric Loot API (v3) 1.0.3+3f89f5a519
fabric-message-api-v1: Fabric Message API (v1) 6.0.13+6573ed8c19
fabric-model-loading-api-v1: Fabric Model Loading API (v1) 2.0.0+fe474d6b19
fabric-networking-api-v1: Fabric Networking API (v1) 4.3.0+c7469b2119
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 15.2.1+40875a9319
fabric-particles-v1: Fabric Particles (v1) 4.0.2+6573ed8c19
fabric-recipe-api-v1: Fabric Recipe API (v1) 5.0.14+248df81c19
fabric-registry-sync-v0: Fabric Registry Sync (v0) 5.2.0+34f5d91419
fabric-renderer-api-v1: Fabric Renderer API (v1) 3.4.0+c705a49c19
fabric-renderer-indigo: Fabric Renderer - Indigo 1.7.0+c705a49c19
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.68+df3654b319
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.3.48+73761d2e19
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.6+1daea21519
fabric-rendering-v0: Fabric Rendering (v0) 1.1.71+df3654b319
fabric-rendering-v1: Fabric Rendering (v1) 5.0.5+df16efd019
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 4.3.0+8dc279b119
fabric-resource-loader-v0: Fabric Resource Loader (v0) 1.3.1+5b5275af19
fabric-screen-api-v1: Fabric Screen API (v1) 2.0.25+8b68f1c719
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.88+b559734419
fabric-sound-api-v1: Fabric Sound API (v1) 1.0.23+6573ed8c19
fabric-transfer-api-v1: Fabric Transfer API (v1) 5.4.2+c24bd99419
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.2.0+45b9699719
fabric-language-kotlin: Fabric Language Kotlin 1.13.4+kotlin.2.2.0
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.2.0
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.2.0
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.2.0
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.2.0
org_jetbrains_kotlinx_atomicfu-jvm: atomicfu-jvm 0.28.0
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.10.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.10.2
org_jetbrains_kotlinx_kotlinx-datetime-jvm: kotlinx-datetime-jvm 0.6.2
org_jetbrains_kotlinx_kotlinx-io-bytestring-jvm: kotlinx-io-bytestring-jvm 0.7.0
org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.7.0
org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.8.1
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.8.1
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.8.1
fabricloader: Fabric Loader 0.16.14
mixinextras: MixinExtras 0.4.1
gammautils: Gamma Utils 2.1.1
immediatelyfast: ImmediatelyFast 1.6.5+1.21.1
net_lenni0451_reflect: Reflect 1.3.4
indium: Indium 1.0.35+mc1.21
inventoryhud: Inventory HUD + 3.4.26
iris: Iris 1.7.3+mc1.21
io_github_douira_glsl-transformer: glsl-transformer 2.0.1
org_anarres_jcpp: jcpp 1.4.14
org_antlr_antlr4-runtime: antlr4-runtime 4.13.1
java: OpenJDK 64-Bit Server VM 21
krypton: Krypton 0.2.8
com_velocitypowered_velocity-native: velocity-native 3.3.0-SNAPSHOT
ksyxis: Ksyxis 1.3.3
liquidbounce: LiquidBounce 0.22.0
com_github_ccbluex_discordipc: DiscordIPC 4.0.0
com_github_ccbluex_mc-authlib: mc-authlib 1.4.1
com_github_ccbluex_netty-httpserver: netty-httpserver 2.1.1
com_google_code_gson_gson: gson 2.10.1
com_kohlschutter_junixsocket_junixsocket-common: junixsocket-common 2.8.3
com_kohlschutter_junixsocket_junixsocket-native-common: junixsocket-native-common 2.8.3
com_thealtening_api_api: api 4.1.0
com_vdurmont_semver4j: semver4j 3.1.0
commons-io_commons-io: commons-io 2.15.1
io_netty_netty-codec-http: netty-codec-http 4.1.97
io_netty_netty-codec-socks: netty-codec-socks 4.1.97
io_netty_netty-handler: netty-handler 4.1.97
io_netty_netty-handler-proxy: netty-handler-proxy 4.1.97
io_netty_netty-resolver: netty-resolver 4.1.97
io_netty_netty-transport-native-unix-common: netty-transport-native-unix-common 4.1.97
mcef: MCEF (Minecraft Chromium Embedded Framework) 1.3.1-1.21.1
net_fabricmc_tiny-mappings-parser: tiny-mappings-parser 0.3.0+build.17
org_ahocorasick_ahocorasick: ahocorasick 0.6.3
org_apache_commons_commons-exec: commons-exec 1.3
org_apache_commons_commons-lang3: commons-lang3 3.12.0
org_apache_logging_log4j_log4j-api: log4j-api 2.23.1
org_apache_logging_log4j_log4j-core: log4j-core 2.23.1
org_apache_tika_tika-core: tika-core 2.9.2
org_graalvm_js_js-language: js-language 24.0.2
org_graalvm_polyglot_polyglot: polyglot 24.0.2
org_graalvm_regex_regex: regex 24.0.2
org_graalvm_sdk_collections: collections 24.0.2
org_graalvm_sdk_jniutils: jniutils 24.0.2
org_graalvm_sdk_nativeimage: nativeimage 24.0.2
org_graalvm_sdk_word: word 24.0.2
org_graalvm_shadowed_icu4j: icu4j 24.0.2
org_graalvm_truffle_truffle-api: truffle-api 24.0.2
org_graalvm_truffle_truffle-compiler: truffle-compiler 24.0.2
org_graalvm_truffle_truffle-runtime: truffle-runtime 24.0.2
org_jetbrains_annotations: annotations 13.0
org_slf4j_slf4j-api: slf4j-api 2.0.10
maceattackassistance: AURORACUTIE-1.21.1 1.0
malilib: MaLiLib 0.21.8
marlows-crystal-optimizer: Marlow's Crystal Optimizer 1.0.3
midnightlib: MidnightLib 1.6.9
minecraft: Minecraft 1.21.1
modelfix: Model Gap Fix 1.21-1.6
modernfix: ModernFix 5.23.1+mc1.21.1
modmenu: Mod Menu 11.0.3
placeholder-api: Placeholder API 2.4.0-pre.2+1.21
mousetweaks: Mouse Tweaks 2.26
naturescompass: Nature's Compass 1.21.1-2.2.7-fabric
nvidium: Nvidium 0.3.1
potioncounter: PotionCounter 1.6.0+mc1.21
shulkerboxtooltip: Shulker Box Tooltip 5.1.3+1.21.1
sodium: Sodium 0.5.11+mc1.21
sodium-extra: Sodium Extra 0.5.7+mc1.21
caffeineconfig: CaffeineConfig 1.3.0+1.17
spark: spark 1.10.109
fabric-permissions-api-v0: fabric-permissions-api 0.3.1
threadtweak: ThreadTweak 0.1.5+mc1.21.1
tiptapshow: TipTapShow 1.6.1+1.21.1
com_moandjiezana_toml_toml4j: toml4j 0.7.2
totemcounter: TotemCounter 1.6.1+mc1.21
totemtweaks: Totem Tweaks 1.0.0
tpshud: TPS Hud 1.7.3+1.21
me_obsilabor_alert: alert 1.0.8
ukulib: ukulib 1.4.1+1.21
viafabric: ViaFabric 0.4.15+84-main
viafabric-mc1211: ViaFabric for 1.21.1 0.4.15+84-main
viaversion: ViaVersion 5.0.4-SNAPSHOT
voicechat: Simple Voice Chat 1.21.1-2.5.30
who-am-i: Who Am I? 1.2.0
worldtools: WorldTools 1.2.6
xaerominimap: Xaero's Minimap 25.2.6
yet_another_config_lib_v3: YetAnotherConfigLib 3.6.6+1.21.1-fabric
com_twelvemonkeys_common_common-image: common-image 3.12.0
com_twelvemonkeys_common_common-io: common-io 3.12.0
com_twelvemonkeys_common_common-lang: common-lang 3.12.0
com_twelvemonkeys_imageio_imageio-core: imageio-core 3.12.0
com_twelvemonkeys_imageio_imageio-metadata: imageio-metadata 3.12.0
com_twelvemonkeys_imageio_imageio-webp: imageio-webp 3.12.0
org_quiltmc_parsers_gson: gson 0.2.1
org_quiltmc_parsers_json: json 0.2.1
zoomify: Zoomify 2.14.2+1.21.1
com_akuleshov7_ktoml-core-jvm: ktoml-core-jvm 0.5.2
Loaded Shaderpack: (off)
How can I do if I want to change the home page into Minecraft's own home page?
I have some mods and their setting page is on Minecraft's own page,like this[image: 1751434234666-83d0e414-dcb7-4e54-b260-cfef89410383-image-resized.png]
But after adding LB,it became this:[image: 1751434393245-b5f55cf0-b50a-4166-b5eb-e9fa4e771fa1-image-resized.png]
so,some actions didn't work.
How can I do if I want to change the home page into Minecraft's own home page?